S6D170,4D130,4D92 Replacement Car Spare Parts Car Engine Valve Fit for KOMATSU

    Company Information Shijiazhuang Hongfa Internal Combustion Engine Fittings Factory was estabished in 1990.We have 500 employees.  24 year’s Expert of engine valves, for motorcycle, automobile, truck, bus, train and ship, generators,  The largest engine valve factory in Northern China. Product Description

Product name	engine valve
Raw material for valve spindle	Si-Cr(4Cr10Si2Mo),Ni-Cr-Mn-N(23-8N),Ni-Cr-W(SNCRW),NI(NI80A)
Harden process for valve seat"s surface	High frequency quenching,High alloy welding
Raw material for valve spindle	Si-Cr(4Cr10Si2Mo),Ni-Cr-Mn-N(23-8N),Ni-Cr-W(SNCRW),NI(NI80A)
Harden process for valve stem	Chrome-plating,Nitriding,Quenching/Spray welding
Tecnology	end welding piece stellite; "U" quenched valve; Hollow sodium-   filling valve; small end welding piece valve; stellited valve; cone surface  quenched valve; welded valve; tufftrided valve; hard chrome plated valve
Material	Normal material: INLET SUH1(40Cr) ; EXHAUST SUH3(4Cr9Si2)
	Best material: INLET SUH3(4Cr9Si2) ;  EXHAUST SUH35(21-4N).

    Processing procedure     Packaging & Shipping Packing :1. one pce in one plastic bag+plain inner box+plain master bo                 2. plastic bag+inner box+wooden case                 3. color box                 4. as customers' demands Shipping : by sea or by air     We attend exhibition   other product valve guide,valve seat,valve oil seal   FAQ 1.stem-diam: 4.5mm-40mm      head-diam: 20mm-150mm      full-length: 50mm-800mm 2. We accept custmerized. 3. ISO9001:2000 4.Intake valve: 4Cr9Si2   Exhaust valve: 21-4N, 21-4N+4Cr9Si2, also customized. 5.Warranty: 2 years or 160 000 kilometers 6.within 7 days if in stock within 25 days if no stock 7.Port: Any port in China.